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Do high-speed, complicated arithmetic in your head using the Trachtenberg Speed System.
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Jakow Trachtenberg was a Jewish mathematician who developed the mental calculation techniques called the Trachtenberg system. He was born in Odessa, the Russian empire in 1988 and worked as an engineer in the Obukhov arms factory. He was a dedicated pacifist and instrumental in organising the Society of Good Samaritans when the First World War broke out. After the Russian revolutions of 1917, Trachtenberg fled to the Weimar Republic where he was later critical of Nazi policies and imprisoned in a concentration camp during World War II. He developed his system of mathematics during his imprisonment. He died in 1953.
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The Trachtenberg Speed System of Basic Mathematics:
Editore:
Souvenir Press Ltd, 1989
ISBN 10: 0285629166
ISBN 13: 9780285629165
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Softcover
Da: Bookbot, Prague, Repubblica Ceca
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Softcover. Condizione: As New. Do high-speed, complicated arithmetic in your head using the Trachtenberg Speed System.Ever find yourself struggling to check a bill or a payslip? With The Trachtenberg Speed System you can. Described as the 'shorthand of mathematics', the Trachtenberg system only requires the ability to count from one to eleven. Using a series of simplified keys it allows anyone to master calculations, giving greater speed, ease in handling numbers and increased accuracy.Jakow Trachtenberg believed that everyone is born with phenomenal abilities to calculate. He devised a set of rules that allows every child to make multiplication, division, addition, subtraction and square-root calculations with unerring accuracy and at remarkable speed. It is the perfect way to gain confidence with numbers. Codice articolo 9162ec71-fe9d-4832-bb06-526b94bde23f
Quantità: 1 disponibili
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Speed System of Basic Mathematics
Editore:
RUPA PUBLICATIONS INDIA PVT LTD.
ISBN 10: 0285629166
ISBN 13: 9780285629165
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Brossura
Da: medimops, Berlin, Germania
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Condizione: very good. Gut/Very good: Buch bzw. Schutzumschlag mit wenigen Gebrauchsspuren an Einband, Schutzumschlag oder Seiten. / Describes a book or dust jacket that does show some signs of wear on either the binding, dust jacket or pages. Codice articolo M00285629166-V
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The Trachtenberg Speed System of Basic Mathematics
Da: Rarewaves.com UK, London, Regno Unito
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Paperback. Condizione: New. Main. Do high-speed, complicated arithmetic in your head using the Trachtenberg Speed System.Ever find yourself struggling to check a bill or a payslip? With The Trachtenberg Speed System you can. Described as the 'shorthand of mathematics', the Trachtenberg system only requires the ability to count from one to eleven. Using a series of simplified keys it allows anyone to master calculations, giving greater speed, ease in handling numbers and increased accuracy.Jakow Trachtenberg believed that everyone is born with phenomenal abilities to calculate. He devised a set of rules that allows every child to make multiplication, division, addition, subtraction and square-root calculations with unerring accuracy and at remarkable speed. It is the perfect way to gain confidence with numbers. Codice articolo LU-9780285629165
Quantità: 5 disponibili
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The Trachtenberg Speed System of Basic Mathematics
Editore:
RUPA PUBLICATIONS INDIA PVT LTD.
ISBN 10: 0285629166
ISBN 13: 9780285629165
Antico o usato
Paperback
Da: WorldofBooks, Goring-By-Sea, WS, Regno Unito
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Paperback. Condizione: Very Good. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged. Codice articolo GOR001217891
Quantità: 3 disponibili
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Speed System of Basic Mathematics
Da: Kennys Bookshop and Art Galleries Ltd., Galway, GY, Irlanda
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Condizione: New. 1989. New Ed. Paperback. Translator(s): McShane, R.; Cutler, A. Num Pages: 272 pages. BIC Classification: PB. Category: (G) General (US: Trade). Dimension: 198 x 128 x 20. Weight in Grams: 188. . . . . . Codice articolo V9780285629165
Quantità: 10 disponibili
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The Trachtenberg Speed System of Basic Mathematics
Da: Rarewaves.com USA, London, LONDO, Regno Unito
Valutazione del venditore 5 su 5 stelle
Paperback. Condizione: New. Main. Do high-speed, complicated arithmetic in your head using the Trachtenberg Speed System.Ever find yourself struggling to check a bill or a payslip? With The Trachtenberg Speed System you can. Described as the 'shorthand of mathematics', the Trachtenberg system only requires the ability to count from one to eleven. Using a series of simplified keys it allows anyone to master calculations, giving greater speed, ease in handling numbers and increased accuracy.Jakow Trachtenberg believed that everyone is born with phenomenal abilities to calculate. He devised a set of rules that allows every child to make multiplication, division, addition, subtraction and square-root calculations with unerring accuracy and at remarkable speed. It is the perfect way to gain confidence with numbers. Codice articolo LU-9780285629165
Quantità: 5 disponibili
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The Trachtenberg Speed System of Basic Mathematics
Da: Majestic Books, Hounslow, Regno Unito
Valutazione del venditore 5 su 5 stelle
Condizione: New. pp. 270. Codice articolo 7859356
Quantità: 1 disponibili
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Speed System of Basic Mathematics
Da: Kennys Bookstore, Olney, MD, U.S.A.
Valutazione del venditore 5 su 5 stelle
Condizione: New. 1989. New Ed. Paperback. Translator(s): McShane, R.; Cutler, A. Num Pages: 272 pages. BIC Classification: PB. Category: (G) General (US: Trade). Dimension: 198 x 128 x 20. Weight in Grams: 188. . . . . . Books ship from the US and Ireland. Codice articolo V9780285629165
Quantità: 10 disponibili
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The Trachtenberg Speed System of Basic Mathematics
Da: PBShop.store UK, Fairford, GLOS, Regno Unito
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PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000. Codice articolo HU-9780285629165
Quantità: 10 disponibili
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SPEED SYSTEM OF BASIC MATHEMATICS
Da: Speedyhen, London, Regno Unito
Valutazione del venditore 5 su 5 stelle
Condizione: NEW. Codice articolo NW9780285629165
Quantità: Più di 20 disponibili